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Related Concept Videos

Muscles of the Shoulder01:23

Muscles of the Shoulder

The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other muscles to move the humerus effectively. Scapular movements often mirror those of the humerus and extend its range of motion. For instance, raising the arm above the head would not be feasible without simultaneous upward rotation of the scapula.
Anterior Thoracic Muscles
The anterior thoracic muscles include the serratus anterior, subclavius, and...
Muscles that Move the Arm01:31

Muscles that Move the Arm

Nine muscles are involved in arm movements. Two of these, the pectoralis major and latissimus dorsi, originate from the axial skeleton and are called axial muscles. The other seven originate from the scapula and are called the scapular muscles.
The pectoralis major has two origins. Its clavicular head originates on the medial half of the clavicle. In contrast, the sternocostal head originates on the costal cartilages of ribs 1-6, the sternum, and the aponeurosis of the external oblique of the...
Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...

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Related Experiment Video

Updated: Jun 20, 2026

The Modified Single-working Portal Technique Using Lasso-loop Stitch with Needle for Arthroscopic Subscapularis Repair
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The Modified Single-working Portal Technique Using Lasso-loop Stitch with Needle for Arthroscopic Subscapularis Repair

Published on: August 8, 2025

Snapping scapula syndrome.

Meredith A Lazar1, Young W Kwon, Andrew S Rokito

  • 1Department of Orthopedics, New York University Hospital for Joint Diseases, New York, NY 10003, USA. Meredith.Lazar@nyumc.org

The Journal of Bone and Joint Surgery. American Volume
|September 3, 2009
PubMed
Summary

Snapping scapula syndrome, caused by scapulothoracic anomalies, presents with painful cracking sounds. While nonoperative treatments are primary, surgical options exist for persistent cases, though the best surgical method remains undetermined.

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Published on: February 10, 2015

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Anatomy

Background:

  • Snapping scapula syndrome involves painful cracking during shoulder blade movement.
  • It stems from soft-tissue or skeletal issues in the scapulothoracic region.

Purpose of the Study:

  • To review the current understanding and treatment of snapping scapula syndrome.
  • To discuss the efficacy of various treatment modalities, including surgical interventions.

Main Methods:

  • Literature review of existing case series and studies on snapping scapula syndrome.
  • Analysis of nonoperative and operative treatment approaches.

Main Results:

  • Nonoperative treatments like physical therapy and medication are the initial standard of care.
  • Surgical options (open, arthroscopic, combined) show good outcomes in small studies.
  • The optimal surgical approach for refractory snapping scapula syndrome is not yet established.

Conclusions:

  • Snapping scapula syndrome requires a tailored treatment approach.
  • Further research is needed to determine the most effective surgical technique for persistent cases.